/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundBuilderSubsystem.h
Returns node input's data if valid (including things like name and datatype).
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Audio|MetaSound|Builder", Meta=(ExpandEnumAsExecs="OutResult")) void GetNodeInputData ( const [FMetaSoundBuilderNodeInputHandle](API\Plugins\MetasoundEngine\FMetaSoundBuilderNodeInputHandle) & InputHandle, [FName](API\Runtime\Core\UObject\FName) & Name, [FName](API\Runtime\Core\UObject\FName) & DataType, [EMetaSoundBuilderResult](API\Plugins\MetasoundEngine\EMetaSoundBuilderResult) & OutResult )